"We are working to resolve this and apologize to our customers for any inconvenience," United said in a statement.
The airline plans to shift its service to Newark Liberty Airport in New Jersey.
The International Air Transport Association, a trade group for the global airline industry, expects 2015 to be a banner year for profits.
The grounding was temporary and due to an unspecified glitch. Flights are back on schedule.
A Muslim passenger was denied an unopened soda can, because, she was told, it could be used as a weapon.
The airline will reward hackers who find security flaws in its website. Just don't mess with the flight systems!
The flight had made an emergency landing and the captain reportedly said he did not want to fly to Portland with an autistic child on board.
Questions over airline cybersecurity were raised when a researcher tweeted about lax protection.
Security researcher Chris Roberts was denied entry onto a flight because of tweets about potential security flaws in the plane's on-board Wi-Fi.
The two airlines have been longtime partners in the Star Alliance.
Companies big and small are looking to make their apps available for Apple Watch on launch day.
A new report from the Department of Transportation says poor service, baggage mishandling and overbooked flights are among the problems.
The airline has been accused of firing 13 crew members after they refused to fly following a perceived threat to an aircraft in July.
American, Delta and United are altering the way you accrue frequent flyer miles next year. Here’s what you need to know.
Two passengers on a flight originating in Brussels reportedly showed symptoms consistent with Ebola virus disease.
Thomas Eric Duncan, the first person in the U.S. to contract the Ebola virus, flew on two different United Airlines flights.
You can experience the joy of luxury air travel -- without paying through the nose for it.
Leaving mementos in front of the National 9/11 Memorial in New York City is encouraged.
The Knee Defender isn't the only travel accessory with the potential to annoy other passengers.
Some airlines ban the new device that protects knees from reclining seats, but there's no FAA prohibition against it.
A "Knee Defender" prompted a passenger squabble and caused a flight to be diverted after a traveler could not recline her seat.
The FAA is prohibiting all U.S. air carriers from flying in or out of Tel Aviv after rocket strikes were reported near the airport.